CC-SG supports AES-128 and AES-256. If you do not know if your browser uses AES, check with the browser manufacturer or navigate to the website using the browser with the encryption method you want to check. This website detects your browser's encryption method and displays a report.
AES-256 Prerequisites and Supported Configurations
AES-256 encryption is supported on the following web browsers only:
Note: Internet Explorer 7 supports AES-128 or -256 encryption in Windows Vista only. It does not support any AES encryption in Windows XP.
In addition to browser support, AES-256 encryption requires the installation of Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files. Use the version that corresponds to your JRE version.
\lib\security\
. For example, C:\Program Files\Java 1.6.0\lib\security\
.